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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * arch/arm/mach-imx/mx1ads.c
3 *
4 * Initially based on:
5 * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
6 * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
7 *
8 * 2004 (c) MontaVista Software, Inc.
9 *
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without any
12 * warranty of any kind, whether express or implied.
13 */
14
15#include <linux/device.h>
16#include <linux/init.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010017#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <asm/system.h>
19#include <asm/hardware.h>
20#include <asm/irq.h>
21#include <asm/pgtable.h>
22#include <asm/page.h>
23
24#include <asm/mach/map.h>
25#include <asm/mach-types.h>
26
27#include <asm/mach/arch.h>
Pavel Pisad66e35f2006-04-02 16:58:38 +010028#include <asm/arch/mmc.h>
Sascha Hauer5b802342006-05-04 14:07:42 +010029#include <asm/arch/imx-uart.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <linux/interrupt.h>
31#include "generic.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Sascha Hauer6a2273d2006-01-05 20:44:58 +000033static struct resource cs89x0_resources[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 [0] = {
Sascha Hauer6a2273d2006-01-05 20:44:58 +000035 .start = IMX_CS4_PHYS + 0x300,
36 .end = IMX_CS4_PHYS + 0x300 + 16,
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 .flags = IORESOURCE_MEM,
38 },
39 [1] = {
Sascha Hauer6a2273d2006-01-05 20:44:58 +000040 .start = IRQ_GPIOC(17),
41 .end = IRQ_GPIOC(17),
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 .flags = IORESOURCE_IRQ,
43 },
44};
45
Sascha Hauer6a2273d2006-01-05 20:44:58 +000046static struct platform_device cs89x0_device = {
47 .name = "cirrus-cs89x0",
48 .num_resources = ARRAY_SIZE(cs89x0_resources),
49 .resource = cs89x0_resources,
Linus Torvalds1da177e2005-04-16 15:20:36 -070050};
51
Sascha Hauer5b802342006-05-04 14:07:42 +010052static struct imxuart_platform_data uart_pdata = {
53 .flags = IMXUART_HAVE_RTSCTS,
54};
55
56static struct resource imx_uart1_resources[] = {
57 [0] = {
58 .start = 0x00206000,
59 .end = 0x002060FF,
60 .flags = IORESOURCE_MEM,
61 },
62 [1] = {
63 .start = (UART1_MINT_RX),
64 .end = (UART1_MINT_RX),
65 .flags = IORESOURCE_IRQ,
66 },
67 [2] = {
68 .start = (UART1_MINT_TX),
69 .end = (UART1_MINT_TX),
70 .flags = IORESOURCE_IRQ,
71 },
Sascha Hauerdbff4e92008-07-05 10:02:45 +020072 [3] = {
73 .start = UART1_MINT_RTS,
74 .end = UART1_MINT_RTS,
75 .flags = IORESOURCE_IRQ,
76 },
Sascha Hauer5b802342006-05-04 14:07:42 +010077};
78
79static struct platform_device imx_uart1_device = {
80 .name = "imx-uart",
81 .id = 0,
82 .num_resources = ARRAY_SIZE(imx_uart1_resources),
83 .resource = imx_uart1_resources,
84 .dev = {
85 .platform_data = &uart_pdata,
86 }
87};
88
89static struct resource imx_uart2_resources[] = {
90 [0] = {
91 .start = 0x00207000,
92 .end = 0x002070FF,
93 .flags = IORESOURCE_MEM,
94 },
95 [1] = {
96 .start = (UART2_MINT_RX),
97 .end = (UART2_MINT_RX),
98 .flags = IORESOURCE_IRQ,
99 },
100 [2] = {
101 .start = (UART2_MINT_TX),
102 .end = (UART2_MINT_TX),
103 .flags = IORESOURCE_IRQ,
104 },
Sascha Hauerdbff4e92008-07-05 10:02:45 +0200105 [3] = {
106 .start = UART2_MINT_RTS,
107 .end = UART2_MINT_RTS,
108 .flags = IORESOURCE_IRQ,
109 },
Sascha Hauer5b802342006-05-04 14:07:42 +0100110};
111
112static struct platform_device imx_uart2_device = {
113 .name = "imx-uart",
114 .id = 1,
115 .num_resources = ARRAY_SIZE(imx_uart2_resources),
116 .resource = imx_uart2_resources,
117 .dev = {
118 .platform_data = &uart_pdata,
119 }
120};
121
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122static struct platform_device *devices[] __initdata = {
Sascha Hauer6a2273d2006-01-05 20:44:58 +0000123 &cs89x0_device,
Sascha Hauer5b802342006-05-04 14:07:42 +0100124 &imx_uart1_device,
125 &imx_uart2_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126};
127
Pavel Pisad66e35f2006-04-02 16:58:38 +0100128#ifdef CONFIG_MMC_IMX
Pavel Pisafaf39ed2007-09-23 22:59:01 +0200129static int mx1ads_mmc_card_present(struct device *dev)
Pavel Pisad66e35f2006-04-02 16:58:38 +0100130{
131 /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
132 return (SSR(1) & (1 << 20) ? 0 : 1);
133}
134
135static struct imxmmc_platform_data mx1ads_mmc_info = {
136 .card_present = mx1ads_mmc_card_present,
137};
138#endif
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140static void __init
141mx1ads_init(void)
142{
143#ifdef CONFIG_LEDS
Sascha Hauer0a5b0aa2005-10-04 23:17:52 +0100144 imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145#endif
Pavel Pisad66e35f2006-04-02 16:58:38 +0100146#ifdef CONFIG_MMC_IMX
147 /* SD/MMC card detect */
148 imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
149 imx_set_mmc_info(&mx1ads_mmc_info);
150#endif
Sascha Hauer5b802342006-05-04 14:07:42 +0100151
152 imx_gpio_mode(PC9_PF_UART1_CTS);
153 imx_gpio_mode(PC10_PF_UART1_RTS);
154 imx_gpio_mode(PC11_PF_UART1_TXD);
155 imx_gpio_mode(PC12_PF_UART1_RXD);
156
157 imx_gpio_mode(PB28_PF_UART2_CTS);
158 imx_gpio_mode(PB29_PF_UART2_RTS);
159 imx_gpio_mode(PB30_PF_UART2_TXD);
160 imx_gpio_mode(PB31_PF_UART2_RXD);
161
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 platform_add_devices(devices, ARRAY_SIZE(devices));
163}
164
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165static void __init
166mx1ads_map_io(void)
167{
168 imx_map_io();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169}
170
171MACHINE_START(MX1ADS, "Motorola MX1ADS")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100172 /* Maintainer: Sascha Hauer, Pengutronix */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100173 .phys_io = 0x00200000,
Sascha Hauer216251c2006-05-07 18:56:27 +0100174 .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100175 .boot_params = 0x08000100,
176 .map_io = mx1ads_map_io,
177 .init_irq = imx_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 .timer = &imx_timer,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100179 .init_machine = mx1ads_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180MACHINE_END